The dynamic load rating of 20.3 kN characterises this bearing. The static load rating is 11.2 kN. The limiting speed is 15000 rpm. A gap is a barrier against coarse particles, not against liquid: splash water, vapour or fine dust are to be kept out by a contact version or by the design itself. The shield is a sheet-metal part fixed in the outer ring that reaches close to a shoulder of the inner ring without touching it.
The whole character of the version follows from this geometry: the remaining gap holds back coarse contamination and keeps the grease charge in the rolling chamber, yet generates neither an additional frictional torque nor a heat source, so that breakaway torque, no-load losses and permissible speed stay close to those of an open version.
The price lies in the selectivity: a gap lets water, vapour and fine dust through, and where the position is exposed to such media, either a contact version or an upstream seal in the design is to be provided. Since the shields are fixed in the outer ring, the grease charge is part of the delivered condition and is dimensioned for the service life; the life of that charge — rather than material fatigue — is frequently the limiting quantity at moderate load, and it depends directly on the operating temperature and the speed of the position.
Normal radial clearance is matched to one interference-fitted ring and a moderate temperature difference between inner and outer ring; because the shields do not touch the rings, they exert no influence on the clearance themselves. During mounting it has to be observed that the fitting force is introduced through the ring carrying the interference fit: a force routed through the outer ring, or a heavily compressed housing bore, can deform the shield in its seat and close the gap.
Through-hardened standard bearing steel sets the temperature and load frame within which the ratings listed in the catalogue apply. Metal shields on both sides — Dimensional/form-fit equivalent — verify suffix-level details for critical applications. Matching suffixes are also listed by FAG (2Z), NSK (ZZ), NTN (ZZ) and NACHI (ZZE).
ManufacturerSKF
Bearing typeDeep-groove ball bearings
Bore d30 mm
Outer Ø D62 mm
Width B16 mm
Dyn. load C20.3 kN
Stat. load C₀11.2 kN
Limiting speed15,000 min⁻¹
Reference speed24,000 min⁻¹
Weight0.201 kg
Sealsshields on both sides
Clearancenormal radial internal clearance
Cagepressed steel cage
Materialstandard bearing steel
Tolerancetolerance class P0/PN (ABEC 1)
Bore typecylindrical bore
€15.21/ pc€20.83−27 %
incl. VAT, plus shipping · price drops with quantity
Lowest price in the 30 days before the reduction: €20.83
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QtyUnit priceDisc.
1 – 4€15.21—
5 – 9€14.75−3 %
10 – 24€14.45−5 %
25 – 49€13.99−8 %
50 – 99€13.69−10 %
4 more for −3% volume discount
From 100 pcs: price and lead time on request – subject to review.
Total (1 pc)€15.21
SKF 6206-2Z/WT Kugellager (30x62x16)
— 30 x 62 x 16 mm
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Same dimensions means the same bearing type and matching main dimensions (d × D × B). Sealing, cage, internal clearance and execution (e.g. material, precision, grease fill) are encoded in the suffix and may differ — please check before ordering. Equivalent additionally means the same sealing, internal clearance and tolerance class; the cage and other suffix features (e.g. lubrication groove) may differ.
